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nervous system
noun
: the bodily system that in vertebrates is made up of the brain and spinal cord, nerves, ganglia, and parts of the receptor organs and that receives and interprets stimuli and transmits impulses to the effector organs see autonomic nervous system, central nervous system, peripheral nervous system
Examples of nervous system in a Sentence
Recent Examples on the Web
When a roach walks through an area treated with boric acid, the dust clings to its body, later attacking its nervous system when ingested.
—Arricca Elin Sansone, Southern Living, 31 Oct. 2024
Using magnetic brain stimulation and electrical stimulation of the muscles, the researchers were able to tease out how much the brain and nervous system were contributing compared to the muscles themselves.
—Alex Hutchinson, Outside Online, 28 Oct. 2024
The virus only affects the nervous system 1% of the time and is rarely fatal.
—Melissa Rudy, Fox News, 9 Oct. 2024
The company continues to focus on advancing its medical device technologies for sensing and treating disorders related to the nervous system, with initial development efforts targeting pancreatic cancer.
—Quartz Bot, Quartz, 8 Nov. 2024
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Word History
First Known Use
1703, in the meaning defined above
Dictionary Entries Near nervous system
Cite this Entry
“Nervous system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nervous%20system. Accessed 29 Nov. 2024.
Kids Definition
nervous system
noun
: the bodily system that receives stimuli, decides on their importance, and sends nerve impulses to the organs of action and that in vertebrates is made up of brain and spinal cord, nerves, ganglia, and parts of the receptor organs
Medical Definition
nervous system
noun
: the bodily system that in vertebrates is made up of the brain and spinal cord, nerves, ganglia, and parts of the receptor organs and that receives and interprets stimuli and transmits impulses to the effector organs see autonomic nervous system, central nervous system, peripheral nervous system
More from Merriam-Webster on nervous system
Britannica English: Translation of nervous system for Arabic Speakers
Britannica.com: Encyclopedia article about nervous system
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